CVE-2026-121156

CVE Enrichment

CVSS: 9.6 CRITICAL
EPSS: 0.43%
EPSS Percentile: 37.05%
CISA KEV: Not listed

Description

Buffer overflow in Dawn in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 04-Nov-2026 04:17
Last Modified: 04-Nov-2026 21:29
EPSS Date: 2026-11-04
CWE: CWE-122

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:R /
                            S:C /
                            C:H /
                            I:H /
                            A:H

CNA Products / Version Status

Google · Chrome Source: CNA · [email protected]
Default status: unknown

157.0.8103.38 ≤ version < 157.0.8103.38 — affected (custom)

Affected Products / Versions

google / chrome Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 157.0.8103.38
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

References

Last enrichment sync: 05-Nov-2026 00:07
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

CVE-2026-121156: Buffer overflow in Dawn. Chrome 157 Fixes 213 Security Issues, Including Seven Critical Vulnerabilities

CVE (2)

MITRE ATT&CK (1)

Vendors (1)

Products (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.